GM-05 SURFACE DENSIFICATION CHARACTERISTICS OF CHROMIUM ALLOYED SINTERED STEEL ROLLERS AND GEARS BY FINISH ROLLING(MANUFACTURING OF GEARS)
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概要
- 論文の詳細を見る
Surface finish rolling experiments were carried out using rollers and helical gears of 1.5Cr-0.2Mo alloyed sintered steel having the density of 7.00〜7.60 g/cm^3. A two roller dies transverse CNC form rolling machine was employed. Two kinds of FEM model of 2-dimensional and 3-dimensional were proposed to simulate the surface densification process of rollers. Pore structures in the densified surface layer were examined and the effects of initial density of P/M material on densification properties were compared and evaluated. The experimental results show that the surface densification of P/M material with the initial density of 7.25 g/cm^3 or more has possibilities to make the part surface to a depth fully dense by optimizing the rolling condition. The simulation results in 3-dimensional model agree well with the experimental ones in the surface densification behaviors.
- 一般社団法人日本機械学会の論文
- 2009-05-13
著者
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Koide Takao
Department Of Mechanical Engineering Tottori University
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Koide Takao
Department Of Mechanical And Aerospace Engineering Graduate School Of Eng. Tottori University
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Takemasu Teruie
Department Of Mechanical And Systems Tokyo University Of Science
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Takemasu Teruie
Department Of Intelligent Machinery And Systems Kyushu University
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Yazaki Masae
Department Of Mechanical And Systems Tokyo University Of Science
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SAKURAI Yuta
Department of Mechanical and Systems, Tokyo University of Science
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Sakurai Yuta
Department Of Mechanical And Systems Tokyo University Of Science
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